// GfxEd8
// Copyright (C) 2004  Ian Cowburn
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// $Id$
//
using System;
using System.Windows.Forms;
using GfxEdInterface;

namespace GfxEd8
{
	/// <summary>
	/// Description of PaletteForm.	
	/// </summary>
	public class PaletteForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.NumericUpDown m_index;
		private System.Windows.Forms.Label m_warning;
		private System.Windows.Forms.Button m_cancel;
		private System.Windows.Forms.Label m_col;
		private System.Windows.Forms.ComboBox m_pal;
		private System.Windows.Forms.Button m_ok;
		
		private IPlugin		m_plugin;
		private Sprite		m_sprite;

		public PaletteForm(IPlugin plugin, Sprite s)
		{
			//
			// The InitializeComponent() call is required for Windows Forms designer support.
			//
			InitializeComponent();
			
			m_plugin=plugin;
			m_sprite=s;
			
			CancelButton=m_cancel;
			
			foreach (Colour c in m_plugin.Palette)
			{
				m_pal.Items.Add(c);
			}
			
			m_index.Minimum=0;
			m_index.Maximum=m_plugin.MaxColours-1;
			m_index.Value=1;
		}
		
		public Sprite Sprite
		{
			get {return m_sprite;}
		}
		
		#region Windows Forms Designer generated code
		/// <summary>
		/// This method is required for Windows Forms designer support.
		/// Do not change the method contents inside the source code editor. The Forms designer might
		/// not be able to load this method if it was changed manually.
		/// </summary>
		private void InitializeComponent() {
			this.m_ok = new System.Windows.Forms.Button();
			this.m_pal = new System.Windows.Forms.ComboBox();
			this.m_col = new System.Windows.Forms.Label();
			this.m_cancel = new System.Windows.Forms.Button();
			this.m_warning = new System.Windows.Forms.Label();
			this.m_index = new System.Windows.Forms.NumericUpDown();
			((System.ComponentModel.ISupportInitialize)(this.m_index)).BeginInit();
			this.SuspendLayout();
			// 
			// m_ok
			// 
			this.m_ok.Location = new System.Drawing.Point(160, 64);
			this.m_ok.Name = "m_ok";
			this.m_ok.Size = new System.Drawing.Size(88, 24);
			this.m_ok.TabIndex = 0;
			this.m_ok.Text = "OK";
			this.m_ok.Click += new System.EventHandler(this.OnOK);
			// 
			// m_pal
			// 
			this.m_pal.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.m_pal.Location = new System.Drawing.Point(80, 24);
			this.m_pal.Name = "m_pal";
			this.m_pal.Size = new System.Drawing.Size(192, 21);
			this.m_pal.TabIndex = 3;
			this.m_pal.SelectedIndexChanged += new System.EventHandler(this.OnSelectColour);
			// 
			// m_col
			// 
			this.m_col.Location = new System.Drawing.Point(280, 16);
			this.m_col.Name = "m_col";
			this.m_col.Size = new System.Drawing.Size(64, 40);
			this.m_col.TabIndex = 4;
			// 
			// m_cancel
			// 
			this.m_cancel.Location = new System.Drawing.Point(256, 64);
			this.m_cancel.Name = "m_cancel";
			this.m_cancel.Size = new System.Drawing.Size(88, 24);
			this.m_cancel.TabIndex = 1;
			this.m_cancel.Text = "Cancel";
			this.m_cancel.Click += new System.EventHandler(this.OnCancel);
			// 
			// m_warning
			// 
			this.m_warning.Location = new System.Drawing.Point(8, 48);
			this.m_warning.Name = "m_warning";
			this.m_warning.Size = new System.Drawing.Size(144, 40);
			this.m_warning.TabIndex = 5;
			this.m_warning.Text = "label1";
			// 
			// m_index
			// 
			this.m_index.Location = new System.Drawing.Point(8, 24);
			this.m_index.Name = "m_index";
			this.m_index.Size = new System.Drawing.Size(56, 20);
			this.m_index.TabIndex = 2;
			this.m_index.ValueChanged += new System.EventHandler(this.OnSelectIndex);
			// 
			// PaletteForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(354, 95);
			this.ControlBox = false;
			this.Controls.Add(this.m_warning);
			this.Controls.Add(this.m_col);
			this.Controls.Add(this.m_pal);
			this.Controls.Add(this.m_index);
			this.Controls.Add(this.m_cancel);
			this.Controls.Add(this.m_ok);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "PaletteForm";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "Edit Sprite Palette";
			((System.ComponentModel.ISupportInitialize)(this.m_index)).EndInit();
			this.ResumeLayout(false);
		}
		#endregion

		void OnSelectIndex(object sender, System.EventArgs e)
		{
			uint i=(uint)m_index.Value;
			
			m_pal.SelectedIndex=(int)m_sprite.Pal(i);
			
			m_pal.Enabled=m_plugin.SprPalEditable[i];
			
			if (m_pal.Enabled && m_plugin.SprPalCommon[i])
			{
				m_warning.Text="WARNING:\nThis colour is common amongst all sprites";
			}
			else
			{
				m_warning.Text="";
			}
		}
		
		void OnSelectColour(object sender, System.EventArgs e)
		{
			uint i=(uint)m_pal.SelectedIndex;
			
			if (m_index.Value!=0 && i==0)
			{
				Util.Message("The background colour cannot be used\n"+
				             "for anything but the background");
				m_pal.SelectedIndex=1;
			}
			
			Colour c=(Colour)m_pal.Items[m_pal.SelectedIndex];
			
			m_sprite.Pal((uint)m_index.Value,(uint)m_pal.SelectedIndex);
			m_col.BackColor=c.DrawCol;
		}
		
		void OnOK(object sender, System.EventArgs e)
		{
			DialogResult=DialogResult.OK;
			Close();
		}
		
		void OnCancel(object sender, System.EventArgs e)
		{
			DialogResult=DialogResult.Cancel;
			Close();
		}
		
	}
}